Regularity of IgA, IgM and IgG Antibodies in Local Mucosal and Systemic Immunity of Ducks Induced by Attenuated Duck Plague Virus Vaccine Strain Vaccinated Orally
QI Xue-feng;CHENG An-chun;WANG Ming-shu;YANG Xiao-yan;ZHOU Xia;CHEN Xiao-yue
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2007, (8): 872 -876 .